BT250 Instruction Manual Support October 03, 2020 18:18 Please click on the link below. Related articles BTE550 instructions BHT250C Hammer Tacker instructions Do we have a manual for the Bostitch BTE550 2 in 1 Staple and Nail Gun? Directives BTE550 Your instruction manuals refer to PSI and CFM. What's the difference? Comments 0 comments Please sign in to leave a comment.